return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHNH2 (aminomethylene)

using model chemistry: B3PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-94.572265
Energy at 298.15K-94.575179
HF Energy-94.572265
Nuclear repulsion energy32.967521
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3562 3410 20.99 77.30 0.67 0.80
2 A' 3404 3259 16.54 332.06 0.25 0.40
3 A' 2929 2804 90.73 147.99 0.54 0.70
4 A' 1684 1613 15.46 18.74 0.61 0.76
5 A' 1452 1390 12.27 10.42 0.20 0.34
6 A' 1380 1321 16.56 7.13 0.18 0.31
7 A' 1070 1024 24.19 9.71 0.35 0.52
8 A" 1156 1107 10.44 0.32 0.75 0.86
9 A" 813 778 146.37 0.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8724.7 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 8352.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-311+G(3df,2p)
ABC
6.86375 1.14212 0.97919

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.063 0.783 0.000
N2 0.063 -0.521 0.000
H3 -0.999 1.098 0.000
H4 -0.757 -1.126 0.000
H5 0.942 -1.021 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.30371.10702.07762.0066
N21.30371.93561.01921.0118
H31.10701.93562.23712.8732
H42.07761.01922.23711.7029
H52.00661.01182.87321.7029

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 126.435 C1 N2 H5 119.601
N2 C1 H3 106.534 H4 N2 H5 113.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.053      
2 N -0.394      
3 H 0.117      
4 H 0.152      
5 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.361 -3.259 0.000 3.532
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.211 -2.401 0.000
y -2.401 -13.711 0.000
z 0.000 0.000 -14.023
Traceless
 xyz
x 1.656 -2.401 0.000
y -2.401 -0.594 0.000
z 0.000 0.000 -1.062
Polar
3z2-r2-2.123
x2-y21.500
xy-2.401
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.585 0.100 0.000
y 0.100 4.715 0.000
z 0.000 0.000 2.825


<r2> (average value of r2) Å2
<r2> 19.918
(<r2>)1/2 4.463